package com.cuit.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cuit.reggie.common.R;
import com.cuit.reggie.dto.DishDto;
import com.cuit.reggie.entity.Category;
import com.cuit.reggie.entity.Dish;
import com.cuit.reggie.entity.DishFlavor;
import com.cuit.reggie.service.CategoryService;
import com.cuit.reggie.service.DishFlavorService;
import com.cuit.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 菜品管理
 */
@RestController
@Slf4j
@RequestMapping("/dish")
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增菜品
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    /**
     * 菜品分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //构造分页构造器对象
        Page<Dish> pageInfo = new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage = new Page<>();

        //条件构造器
        LambdaQueryWrapper<Dish> lambdaQueryWrapper = new LambdaQueryWrapper<>();

        //添加过滤器
        lambdaQueryWrapper.like(name!=null, Dish::getName,name);

        //添加排序条件
        lambdaQueryWrapper.orderByDesc(Dish::getUpdateTime);

        dishService.page(pageInfo,lambdaQueryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list = records.stream().map((item)->{
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();
            //根据ID查询分类对象
            Category category =  categoryService.getById(categoryId);

            if (category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }

            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);

        return R.success(dishDtoPage);
    }

    /**
     * 根据id查询菜品的对应的口味信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /**
     *修改菜品
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    /**
     * 根据条件查询对应的菜品数据
     * @param dish
     * @return
     */
//    @GetMapping("/list")
//    public R<List<Dish>>list(Dish dish){
//        //构造条件
//        LambdaQueryWrapper<Dish> lambdaQueryWrapper = new LambdaQueryWrapper<>();
//        lambdaQueryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
//        //添加条件：查询状态为1的菜品
//        lambdaQueryWrapper.eq(Dish::getStatus,1);
//        //添加排序条件
//        lambdaQueryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
//
//        List<Dish> list = dishService.list(lambdaQueryWrapper);
//        return R.success(list);
//    }

    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        //构造条件
        LambdaQueryWrapper<Dish> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        //添加条件：查询状态为1的菜品
        lambdaQueryWrapper.eq(Dish::getStatus,1);
        //添加排序条件
        lambdaQueryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(lambdaQueryWrapper);

        List<DishDto> dishDtoList = list.stream().map((item)->{
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();
            //根据ID查询分类对象
            Category category =  categoryService.getById(categoryId);

            if (category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            //当前菜品ID
            Long dishId = item.getId();

            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper1 = new LambdaQueryWrapper<>();
            lambdaQueryWrapper1.eq(DishFlavor::getDishId,dishId);

            List<DishFlavor> list1 = dishFlavorService.list(lambdaQueryWrapper1);

            dishDto.setFlavors(list1);
            return dishDto;

        }).collect(Collectors.toList());


        return R.success(dishDtoList);
    }

}
